Bull bay grows in the following 9 states and provinces:

Information about Bull bay:

The Magnolia Grandiflora is commonly known as the Big-laurel, Bull-bay, Evergreen Magnolia, Large-flower Magnolia as well as Southern Magnolia.

The currently accepted scientific name for southern magnolia is Magnolia
grandiflora L. . The genus Magnolia consists of 35 species of
deciduous or evergreen trees or shrubs in North and Central America,
eastern Asia and the Himalayas; nine species are native to the United
States .

The range of southern magnolia extends from North Carolina along the
Atlantic Coast to central Florida, westward through the southern half of
Georgia, Alabama, and Mississippi, and across Louisiana into eastern
Texas . It is cultivated in Hawaii .